Tecnologia

The discovery was made using the Mars Advanced Radar for Subsurface and Ionosphere Sounding ( MARSIS ), a high powered radar tool attached to and developed specifically for the Mars Express spacecraft , which has been orbiting Mars since 2003 as part of the European Space Agency's mission to map Mars. Consulte Mais Informação

New findings from Nasa's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars. This would lower the water's freezing temperature, and combined with the pressures exerted by the 1.5 kilometres of ice above it, it would be prevented from freezing solid. Consulte Mais Informação

Northern Virginia registered some of the heaviest rain from Saturday's storm, with some areas reporting more than 7 inches. Wind will continue to crank up from the southeast at 15-20 miles per hour by the afternoon gusting higher than that at points. Consulte Mais Informação

Researchers believed that this starry halo was created as Andromeda absorbed hundreds of smaller galaxies over time, leaving behind galactic crumbs. Scientists have long known that this almost invisible large halo of stars surrounding galaxies contains the remnants of smaller cannibalized galaxies. Consulte Mais Informação

Scientists from the Washington State University believe it is likely there was some form of life on our lunar satellite four billion years ago, and then again 3.5 billion years ago. The earliest evidence for life on Earth comes from fossilized cyanobacteria that are between 3.5 and 3.8 billion years old. In 2009 and 2010 an global team discovered hundreds of millions of tonnes of water ice on the Moon. Consulte Mais Informação

A paper written by astrobiologists from Washington State University and the University of London theorizes that conditions on the surface of the Moon could have supported "simple life-forms" right after the Moon was formed 4 billion years ago, and during the lunar volcanic activity that occurred 3.5 billion years ago. Consulte Mais Informação

The first stage of the rocket landed safely in the Atlantic Ocean on the company's drone ship, the " Of Course I Still Love You ", which rests off the Florida Coast. After that, it's back to Florida in early August, to launch a communications satellite for Telkom Indonesia from Cape Canaveral on August 2. Touchdown occurred a few seconds after the Falcon 9's second stage engine shut down on reaching a preliminary orbit. Consulte Mais Informação

The bodies are aligned in a straight line in the order of the sun, Earth and a full moon. Some say the lunar eclipse is the end of the world Doomsday preachers have been suggesting that the blood moon heralds the end of the world, as biblical passages talk about the moon turning the colour of blood prior to the apocalypse. Consulte Mais Informação

In the USA, the lunar eclipse will start around 1:14 p.m. ET, and the maximum period of totality will start around 4:21 p.m. ET, making it too light outside for the blood moon to be visible, Petro said. A lunar eclipse is pictured over the ocean in Oceanside, Calif., Jan. 31, 2018. Instead of that sunlight hitting the moon's surface, Earth's shadow falls on it. Consulte Mais Informação

Friday's suit is the latest in a string of similar cases -- many of which have been promptly thrown out by courts -- that cities across the US have filed challenging fossil fuel companies for knowingly contributing and profiting off of a product that directly contributes to climate change. Consulte Mais Informação

District Judge John Keenan in Manhattan said climate change must be addressed through federal regulation and foreign policy. In his decision Thursday, Judge John F. According to Michael Burger, executive director of the Sabin Center for Climate Change Law at Columbia University, the New York City decision does not determine the outcome of the other cases. Consulte Mais Informação

According to Heritage Auctions president Greg Rohan, the public always finds any objects related to the space program completely fascinating. "Space is one of the very, very few categories that every single person seems to be interested in", Rohan said. Consulte Mais Informação

The only other previous Block 5 flight, which occurred this past May , also involved a brand-new rocket. The "Block 5" variant of the two-stage Falcon 9 blasted off from Cape Canaveral Air Force Station at 1:50 a.m. Using so-called grid fins at the top of the booster to maintain its orientation, the rocket re-started a single engine as it neared the drone ship, deployed four landing legs and settled to a picture-perfect touchdown on the landing deck. Consulte Mais Informação

The Department of Interior could implement them after a 60-day public commentary period beginning Thursday. The monarch butterfly is one of several species now being considered for protections under the U.S. A number of conflicts have arisen in the decades since the 1973 passage of the Endangered Species Act, ranging from disruptions to logging to protect spotted owls in the Pacific Northwest, to attacks on livestock that have accompanied the restoration of gray wolves in the Rocky Mountains ... Consulte Mais Informação

The Mir Diamond Mine in Russian Federation, for instance, is the world's second-largest human-made hole and only goes about a third of a mile deep. " This shows that diamond is not perhaps this exotic mineral, but on the [geological] scale of things, it's relatively common ", said Ulrich Faul , of MIT's Department of Earth, Atmospheric, and Planetary Sciences. Consulte Mais Informação

In the excavation of the fossil, paleontologists from the University of Utah and the Natural History Museum of Utah were able to retrieve a very well preserved skull of the armored dinosaur, along with bony armor in the form of spiked plates and neck rings, several vertebrae, limb bones, and an nearly complete tail with the iconic ankylosaur club still connected to it. Consulte Mais Informação

The climax of the uncrewed test flight came shortly after New Shepard's capsule separated from its booster and switched on its 70,000-pound-thrust escape rocket motor. Perched on top of the vehicle is a capsule for crew members, which the rocket carries skyward during flight. Wednesday's passenger was Mannequin Skywalker, plus science experiments. Consulte Mais Informação

New Brunswick Premier Brian Gallant said provinces are willing to increase import limits, although some want to consult with the public to determine how it will be done. An agreement recognized the province had already met Canada's target of a 30 per cent reduction in emissions from 2005 by 2030. New Brunswick Premier Brian Gallant emerged later with Canada's ambassador to Washington, David MacNaughton, who spent time with the premiers talking about ways to best address trade irritants with ... Consulte Mais Informação

It takes around 18 months to orbit Jupiter, and its orbit passes that of the retrograde moons, which makes collisions pretty likely. Astronomers have discovered a dozen new moons orbiting Jupiter , including one " oddball " in an orbit that eventually could lead to a head-on collision. Consulte Mais Informação

Remains of the earliest snake hatchling known to science were preserved in amber for almost 100 million years. "We present the first known fossilized snake embryo/neonate preserved in early Late Cretaceous (Early Cenomanian) amber from Myanmar, which at the time, was an island arc including terranes from Austral Gondwana", states the paper's introduction. Consulte Mais Informação

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Recovered: Forensic scientists Kyra Stull (left) and Tatiana Vlemincq take away human remains from a home on a street full of mobile homes that was entirely destroyed by fire in Paradise , Californi... Consulte Mais Informação

The moon might interfere with viewing while it's out, she said , but you'll still be able to see meteors. While the meteors will appear to be coming from the constellation Leo, for which they are n... Consulte Mais Informação

Trump made the announcement nearly in passing at a White House ceremony for Presidential Medal of Freedom honorees. Singling out Cabinet members in the audience at the ceremony, Trump got to Wheele... Consulte Mais Informação

Barnard's Star has long been a target of exoplanet hunters , but their searches have always come up empty - until now. During the course of their study, Smithsonian notes, researchers found faint... Consulte Mais Informação

It's a base unit of measurement, but one that's hard to define in definite terms without having something to base it off. Kilograms are now marked by a cylindrical lump of platinum and iridium known ... Consulte Mais Informação

Knifing through an overcast sky, the rocket quickly disappeared from view, leaving a slowly fading rumble in its wake. SpaceX matched its personal best with its 18th launch this year, delivering the... Consulte Mais Informação

The results of the study are published in the journal Nature . "On the contrary, when the star approaches us, the light becomes more energetic and bluish", says Ribas. In addition, the new find provi... Consulte Mais Informação

In fusion reaction, two nuclei were combined unlike in the fission reaction used in current nuclear reactors that basically splits an atom. Earlier this year, a doughnut-shaped object in a building ... Consulte Mais Informação

It is one of the 25 largest known impact craters on Earth, and the first found under any of our planet's ice sheets. The crater is less than 3 million year old and was formed by a huge half-mile wid... Consulte Mais Informação

Heatwaves halved the amount of offspring males could produce, and a second heatwave nearly sterilised males. The team investigated the red flour beetle ( Tribolium castaneum ) to explore the effect... Consulte Mais Informação